568294256640 has 416 divisors, whose sum is σ = 2100347490816. Its totient is φ = 129661665280.

The previous prime is 568294256609. The next prime is 568294256659. The reversal of 568294256640 is 46652492865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11464549 + ... + 11514011.

Almost surely, 2^568294256640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568294256640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050173745408).

568294256640 is an abundant number, since it is smaller than the sum of its proper divisors (1532053234176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

568294256640 is a wasteful number, since it uses less digits than its factorization.

568294256640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49523 (or 49501 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 568294256640 in words is "five hundred sixty-eight billion, two hundred ninety-four million, two hundred fifty-six thousand, six hundred forty".